这段时间在研究Flash Remoting技术，之前在Flash里调用Remoting的话，只能通过NetConnection类调用，但写起来比较麻烦，同时方法调用不直观。
而在Flex里用RemoteObject类用起来比较直观，但它是集成在Flex里了，功能还挺复杂，还在Flash里不方便调用，所以我参考RemoteObject类写了一个简化的AS3版类-Service类，我现在把相关代码共享出来。
Service类
package com.klstudio.net.remoting {
import flash.net.NetConnection;
import flash.events.EventDispatcher;
import flash.events.Event;
import flash.events.IEventDispatcher;
import flash.events.AsyncErrorEvent;
import flash.events.IOErrorEvent;
import flash.events.NetStatusEvent;
import flash.events.SecurityErrorEvent;
import flash.utils.flash_proxy;
import flash.utils.Proxy;
import flash.utils.Dictionary;
/**
* Remoting服务
* @author Kinglong([email protected])
* @since:2010-8-3
*/
[Event(name="fault", type="com.klstudio.events.FaultEvent")]
[Event(name="result", type="com.klstudio.events.ResultEvent")]
[Event(name="netStatus", type="flash.events.NetStatusEvent")]
[Event(name="ioError", type="flash.events.IOErrorEvent")]
[Event(name="securityError", type="flash.events.SecurityErrorEvent")]
dynamic public class Service extends Proxy implements IEventDispatcher {
private var _gateway : String;
private var _nc : NetConnection;
private var _destination : String;
private var _dispatcher : EventDispatcher;
private var _operations : Dictionary;
/**
* 构建
* @param gateway remoting网关地址
* @param destination remoting目标地址
* @param objectEncoding remoting编码(amf0/amf3)
*/
public function Service(gateway : String,destination : String,objectEncoding : uint = 3) {
_operations = new Dictionary(true);
_gateway = gateway;
_destination = destination;
_dispatcher = new EventDispatcher(this);
_nc = new NetConnection();
_nc.client = this;
_nc.objectEncoding = objectEncoding;
_nc.addEventListener(NetStatusEvent.NET_STATUS, ncHandler);
_nc.addEventListener(IOErrorEvent.IO_ERROR, ncHandler);
_nc.addEventListener(SecurityErrorEvent.SECURITY_ERROR, ncHandler);
_nc.addEventListener(AsyncErrorEvent.ASYNC_ERROR, ncHandler);
_nc.connect(_gateway);
}
/**
* public
*/
/**
* 设置安全证书的用户名和密码
* @param userName 用户名
* @param password 密码
*/
public function setRemoteCredentials(userName : String,password : String) : void {
_nc.addHeader("Credentials", false, { userid : userName, password : password });
}
/**
* remoting网关地址
*/
public function get gateway():String{
return _gateway;
}
/**
* remoting目标地址
*/
public function get destination():String{
return _destination;
}
public function set destination(value:String):void {
_destination = value;
}
/**
* remoting编码
*/
public function get objectEncoding():uint{
return _nc.objectEncoding;
}
public function set objectEncoding(value:uint):void{
_nc.objectEncoding = value;
}
/**
* remoting连接
*/
public function get connenction():NetConnection{
return _nc;
}
public function toString() : String {
return "[Service gateway="+gateway+", destination="+destination+", objectEncoding="+objectEncoding+"]";
}
/**
* private
*/
private function ncHandler(event : Event) : void {
switch(event.type){
case AsyncErrorEvent.ASYNC_ERROR:
break;
default:
dispatchEvent(event);
}
}
private function getOperation(name:String):Operation{
var operation:Operation = _operations[name];
if(operation == null) {
operation = new Operation(this,name);
_operations[name] = operation;
}
return operation;
}
private function getLocalName(name:*):String{
if(name is QName){
return QName(name).localName;
}
return String(name);
}
/**
* proxy
*/
override flash_proxy function getProperty(name : *) : * {
return getOperation(getLocalName(name));
}
override flash_proxy function callProperty( methodName : *, ...parametres : * ) : * {
return getOperation(getLocalName(methodName)).send.apply(null,parametres);
}
/**
* IEventDispatcher
*/
public function dispatchEvent(event : Event) : Boolean {
// TODO: Auto-generated method stub
return _dispatcher.dispatchEvent(event);
}
public function hasEventListener(type : String) : Boolean {
// TODO: Auto-generated method stub
return _dispatcher.hasEventListener(type);
}
public function willTrigger(type : String) : Boolean {
// TODO: Auto-generated method stub
return _dispatcher.willTrigger(type);
}
public function removeEventListener(type : String, listener : Function, useCapture : Boolean = false) : void {
_dispatcher.removeEventListener(type, listener, useCapture);
}
public function addEventListener(type : String, listener : Function, useCapture : Boolean = false, priority : int = 0, useWeakReference : Boolean = false) : void {
_dispatcher.addEventListener(type, listener, useCapture, priority, useWeakReference);
}
}
}
Operation类
Fault类
FaultEvent类
ResultEvent类
调用实例